XrdFileCache::Factory Class Reference

Instantiates Cache and Decision plugins. Parses configuration file. More...

#include <XrdFileCacheFactory.hh>

Inheritance diagram for XrdFileCache::Factory:

Collaboration diagram for XrdFileCache::Factory:

Public Member Functions
	Factory ()
	Constructor. More...
virtual XrdOucCacheIO *	Attach (XrdOucCacheIO *, int Options=0)
	Unused abstract method. This method is implemented in the the Cache class. More...
virtual int	isAttached ()
	Unused abstract method. This information is available in the Cache class. More...
virtual XrdOucCache *	Create (Parms &, XrdOucCacheIO::aprParms *aprP)
	Creates XrdFileCache::Cache object. More...
XrdOss *	GetOss () const
XrdSysError &	GetSysError ()
	Getter for xrootd logger. More...
bool	Decide (XrdOucCacheIO *)
	Makes decision if the original XrdOucCacheIO should be cached. More...
const Configuration &	RefConfiguration () const
	Reference XrdFileCache configuration. More...
bool	Config (XrdSysLogger *logger, const char *config_filename, const char *parameters)
	Parse configuration file. More...
void	CacheDirCleanup ()
	Thread function running disk cache purge periodically. More...
Public Member Functions inherited from XrdOucCache
virtual int	Unlink (const char *)
virtual int	Rmdir (const char *)
virtual int	Rename (const char *, const char *)
virtual int	Truncate (const char *, off_t)
	XrdOucCache ()
virtual	~XrdOucCache ()

Static Public Member Functions
static Factory &	GetInstance ()
	Singleton access. More...
static bool	VCheck (XrdVersionInfo &urVersion)
	Version check. More...

Private Member Functions
bool	ConfigParameters (std::string, XrdOucStream &)
bool	ConfigXeq (char *, XrdOucStream &)
bool	xdlib (XrdOucStream &)
XrdCl::Log *	clLog () const

Private Attributes
XrdSysError	m_log
	XrdFileCache namespace logger. More...
XrdOucCacheStats	m_stats
	passed to cache, currently not used More...
XrdOss *	m_output_fs
	disk cache file system More...
std::vector < XrdFileCache::Decision * >	m_decisionpoints
	decision plugins More...
std::map< std::string, long long >	m_filesInQueue
Configuration	m_configuration
	configurable parameters More...

Static Private Attributes
static Factory *	m_factory
	this object More...

Additional Inherited Members
Public Attributes inherited from XrdOucCache
XrdOucCacheStats	Stats
Static Public Attributes inherited from XrdOucCache
static const int	optADB = 0x1000
static const int	optFIS = 0x0001
static const int	optFIU = 0x0002
static const int	optRW = 0x0004
static const int	optNEW = 0x0014
static const int	optWIN = 0x0024
static const int	isServer = 0x0010
static const int	isStructured = 0x0020
static const int	canPreRead = 0x0040
static const int	logStats = 0x0080
static const int	Serialized = 0x0004
static const int	ioMTSafe = 0x0008
static const int	Debug = 0x0003

Detailed Description

Instantiates Cache and Decision plugins. Parses configuration file.

Constructor & Destructor Documentation

XrdFileCache::Factory::Factory

(

)

Constructor.

Member Function Documentation

virtual XrdOucCacheIO* XrdFileCache::Factory::Attach ( XrdOucCacheIO *  , int  Options = 0  )

inlinevirtual

Unused abstract method. This method is implemented in the the Cache class.

Implements XrdOucCache.

void XrdFileCache::Factory::CacheDirCleanup

(

)

Thread function running disk cache purge periodically.

XrdCl::Log* XrdFileCache::Factory::clLog ( ) const

inlineprivate

References XrdCl::DefaultEnv::GetLog().

bool XrdFileCache::Factory::Config	(	XrdSysLogger *	logger,
		const char *	config_filename,
		const char *	parameters
	)

Parse configuration file.

Parameters

logger	xrootd logger
config_filename	path to configuration file
parameters	optional parameters to be passed

Returns

parse status

bool XrdFileCache::Factory::ConfigParameters ( std::string  , XrdOucStream &    )

private

bool XrdFileCache::Factory::ConfigXeq ( char *  , XrdOucStream &    )

private

virtual XrdOucCache* XrdFileCache::Factory::Create ( Parms &  , XrdOucCacheIO::aprParms *  aprP  )

virtual

Creates XrdFileCache::Cache object.

Implements XrdOucCache.

bool XrdFileCache::Factory::Decide

(

XrdOucCacheIO *

)

Makes decision if the original XrdOucCacheIO should be cached.

Parameters

&	URL of file

Returns

decision if IO object will be cached.

static Factory& XrdFileCache::Factory::GetInstance ( )

static

Singleton access.

XrdOss* XrdFileCache::Factory::GetOss ( ) const

inline

References m_output_fs.

XrdSysError& XrdFileCache::Factory::GetSysError ( )

inline

Getter for xrootd logger.

References m_log.

virtual int XrdFileCache::Factory::isAttached ( )

inlinevirtual

Unused abstract method. This information is available in the Cache class.

Reimplemented from XrdOucCache.

const Configuration& XrdFileCache::Factory::RefConfiguration ( ) const

inline

Reference XrdFileCache configuration.

References m_configuration.

static bool XrdFileCache::Factory::VCheck ( XrdVersionInfo &  urVersion )

inlinestatic

Version check.

bool XrdFileCache::Factory::xdlib ( XrdOucStream &  )

private

Member Data Documentation

Configuration XrdFileCache::Factory::m_configuration

private

configurable parameters

Referenced by RefConfiguration().

std::vector<XrdFileCache::Decision*> XrdFileCache::Factory::m_decisionpoints

private

decision plugins

Factory* XrdFileCache::Factory::m_factory

staticprivate

this object

std::map<std::string, long long> XrdFileCache::Factory::m_filesInQueue

private

XrdSysError XrdFileCache::Factory::m_log

private

XrdFileCache namespace logger.

Referenced by GetSysError().

XrdOss* XrdFileCache::Factory::m_output_fs

private

disk cache file system

Referenced by GetOss().

XrdOucCacheStats XrdFileCache::Factory::m_stats

private

passed to cache, currently not used

---

The documentation for this class was generated from the following file:

• XrdFileCacheFactory.hh